MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript and multiple external URIs, flagged by heuristics as a link farm and containing a malicious ML classifier output. The presence of embedded JavaScript suggests an attempt to execute code, likely to facilitate the download of a second-stage payload. The numerous external links, including one pointing to 'oniceh.ru', indicate a phishing or scam attempt, aiming to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://oniceh.ru/uplcv?utm_term=forge+of+empires+build+your+city+mod PDF link annotation
- https://dallaslandscapedesign.com/media/files/25449171648.pdfIn PDF document text
- https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/12120277378.pdfIn PDF document text
- http://villaelen.it/userfiles/files/domosar.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files/zivonimisefosefinedodena.pdfIn PDF document text
- http://cheliabinsk.realxenon.ru/uploads/files/16576635215.pdfIn PDF document text
- http://budaors.varosom.hu/userfiles/files/32567847427.pdfIn PDF document text
- http://deforma.it/userfiles/files/95326561990.pdfIn PDF document text
- http://thoitrangvabaoho.com/Images_upload/files/16384531208.pdfIn PDF document text
- https://wecareprogram.org/images/file/nupirifineb.pdfIn PDF document text
- https://horacebatten.com/ckfinder/userfiles/files/siwakegaditu.pdfIn PDF document text
- https://texasbordervolunteers.org/userfiles/file/tupukera.pdfIn PDF document text
- https://cr2tek.com/userfiles/Proj_Name/files/69045967064.pdfIn PDF document text
- http://jca-t.com/fck_image/file/fedilolizizovugojavatu.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/fujepanefosalij.pdfIn PDF document text
- http://imoroz.by/upload/file/faroxowefawisimatimifiv.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/34484756721.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16130fa9925904---mejusajovanefikelu.pdfIn PDF document text
- https://inprovitperu.com/ckfinder/userfiles/files/tarepupi.pdfIn PDF document text
- http://monikaknoblochova.com/userfiles/file/vabisotuxudixanakesunerul.pdfIn PDF document text
- https://seger.cz/userfiles/file/31792291101.pdfIn PDF document text
- http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77034349834.pdfIn PDF document text
- http://theurbanbazzaar.com/userfiles/file/zesamatatilufusovira.pdfIn PDF document text
- http://ros-grad.ru/fck_editor_files/files/51652800536.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2F1 | 18456 bytes |
SHA-256: 9d1865c898b44d161306c7a30f1c7934a44145feb5851edd47f87f353feb04bb |
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font_01_sfnt_off000102af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ac6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AC6 | 11028 bytes |
SHA-256: 3ae6e5607f633c15039e534cfbb25a840ae2aa32f3c31611a1935882b50f395b |
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